Ornamental chain



FIG. 1 is a front view of an ornamental chain showing my new design;

FIG. 2 is a right side view of the chain shown in FIG. 1;

FIG. 3 is a rear view of the chain of FIGS. 1 and 2;

FIG. 4 is a left side view of the chain of FIGS. 1, 2 and 3;

FIG. 5 is a top view of the chain; and,

FIG. 6 is a bottom view of the chain.

The dot dash lines, shown on the ends of each figure, are representative of the indeterminate length of the chain. 

The ornamental design for an ornamental chain, as shown and described. 